>> File
>> "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/usb/core.py",
>> line 829, in find
>> raise ValueError('No backend available')
>> ValueError: No backend available
On Mac OS X, you can simply add the path to the dynamic library this way:
DYLD_LIBRARY_PATH=.../libpath
for example, I'm using Homebrew for all third party packages, which is
installed in /usr/local/homebrew on my machine.
export DYLD_LIBRARY_PATH=/usr/local/homebrew/lib
allows libusb10 backend to find the libusb-1.0.8 dylib from the
homebrew directory.
HTH,
Manu
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